<LINK type="text/css" HREF="style.css" rel="stylesheet">
<h1>sign</h1>
<p>returns the sign of a number. The function returns -1 if the number a negative number (number &lt; 0), 1 if the number is a positive number (number &gt; 0), and a 0 on error (The number is Not a number, or it's 0) </p>
<h2>parameters:</h2>
<ol>
  <li>The number you want to inspect </li>
</ol>